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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kaplan; George R.
Address:
Rye Brook, NY
No. of patents:
10
Patents:












Patent Number Title Of Patent Date Issued
D330873 Gemstone November 10, 1992
7915564 Laser marking system March 29, 2011
A laser energy microinscribing system, comprising a semiconductor excited Q-switched solid state laser energy source; a cut gemstone mounting system, allowing optical access to a mounted workpiece; an optical system for focusing laser energy from the laser energy source onto a cut ge
7655882 Microinscribed gemstone February 2, 2010
An apparatus and method for producing an authentication certification for a gemstone, having a processor, a database coupled to the processor, in which are stored data defining laser micro-inscriptions and physical characteristics of a plurality of gemstones, a graphic user interface
7265316 Laser marking system September 4, 2007
A laser energy microinscribing system, comprising a semiconductor excited Q-switched solid state laser energy source; a cut gemstone mounting system, allowing optical access to a mounted workpiece; an optical system for focusing laser energy from the laser energy source onto a cut ge
7010938 Microinscribed gemstone March 14, 2006
A microinscribed gemstone such as a diamond is inscribed by a laser beam to graphitize a surface portion of the gemstone without damaging a bulk portion.
6684663 Microinscribed gemstone February 3, 2004
A microinscribed gemstone is inscribed by a laser beam to graphitize a surface portion of the gemstone without damaging a bulk portion.
6476351 Laser marking system November 5, 2002
A laser energy microinscribing system, including a semiconductor excited Q-switched solid state laser energy source; a cut gemstone mounting system, allowing optical access to a mounted workpiece; an optical system for focusing laser energy from the laser energy source onto a cut gem
6211484 Laser making system and certificate for a gemstone April 3, 2001
A laser energy microinscribing system, comprising a semiconductor excited Q-switched solid state laser energy source; a cut gemstone mounting system, allowing optical access to a mounted workpiece; an optical system for focusing laser energy from the laser energy source onto a cut ge
5932119 Laser marking system August 3, 1999
A laser energy microinscribing system, including a semiconductor excited Q-switched solid state laser energy source; a cut gemstone mounting system, allowing optical access to a mounted workpiece; an optical system for focusing laser energy from the laser energy source onto a cut gem
5341694 Diamond anvil having diamonds with curved edges August 30, 1994
A diamond anvil of the type comprising (a) a pair of diamonds having a facing, plane parallel bearing surfaces and (b) a device for applying a force to the diamonds tending to press the bearing surfaces together. Both diamonds have a peripheral surface, extending outward from the bearing










 
 
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